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Finding the Fourth Proportional to 57,687.04, 86,668.80 and 36,951.04

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Solution

The fourth proportional to 57,687.04, 86,668.80 and 36,951.04 is: 55,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,687.04 : 86,668.80 = 36,951.04 : x
  2. Step 2: Convert to fraction form
    57,687.04/86,668.80 = 36,951.04/x
  3. Step 3: Cross multiply
    57,687.04x = 86,668.80 × 36,951.04
  4. Step 4: Simplify right side
    57,687.04x = 3,202,502,295.55
  5. Step 5: Solve for x
    x = 3,202,502,295.55/57,687.04
  6. Step 6: Final answer
    x = 55,515.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.